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预应力混凝土框架     
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  prestressed concrete frame
     In the paper, the author put forward the method of structure optimization in the design of high efficient prestressed concrete frame,supplemented the conditions of the design of normal section in frame beam, and calculated the range of average prestress is from 2.28 N/mm2 to 5.15 N/mm2. 1tab. ,3refs.
     本文提出了高效预应力混凝土框架设计中结构方案优选方法,补充了框架梁正截面设计条件,得出了平均预压应力应2.28~5.15N/mm2范围内.表1,参3
短句来源
     THE DESIGN METHOD OF PRESTRESSED CONCRETE FRAME STRUCTURES BASED ON DURABILITY REQUIREMENTS
     基于耐久性要求的预应力混凝土框架结构设计方法
短句来源
     Nonlinear analysis of prestressed concrete frame structures
     预应力混凝土框架结构的非线性分析
短句来源
     Discussion on Aseismic Design of Prestressed Concrete Frame Structures
     预应力混凝土框架结构的抗震设计探讨
短句来源
     Based on ATC-40 and N2 method, the nonlinear static procedure (pushover analysis) was developed for coping with the vertical seismic response of large-span prestressed concrete frame structures.
     基于美国规范ATC-40和N2方法,建立了大跨预应力混凝土框架结构竖向地震反应的静力弹塑性(pushover)分析方法。
短句来源
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  prestressed concrete frames
     Design of 21m span partially prestressed concrete frames for TGP construction administrative building
     三峡工程建设管理大楼21m跨部分预应力混凝土框架设计
短句来源
     Seismic Design of the Prestressed Concrete Frames
     预应力混凝土框架的抗震设计
短句来源
     Shaking-Table Test and Nonlinear System Identification of Prestressed Concrete Frames
     预应力混凝土框架的振动台试验及非线性系统识别
短句来源
     STUDY ON FORM AND DESIGN APPROACH OF PRECAST PRESTRESSED CONCRETE FRAMES
     预制预应力混凝土框架结构形式及设计方法研究
短句来源
     NONLINEAR ANALYSIS FOR PARTIALLY PRESTRESSED CONCRETE FRAMES
     部分预应力混凝土框架结构的非线性分析
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  pre-stressed concrete frame
     Through the experiment of one frame beam and relevant simulating in the soft of ANSYS, the author analyzes the mechanical properties of external pre-stressed concrete frame beams, and proposes some suggestion and results.
     本文进行了一根体外预应力混凝土框架梁的实验研究并对其进行了ANSYS模拟分析,研究了体外预应力混凝土框架梁的力学特性,并进行了一些探讨,得出了一些结论。
短句来源
     The total coefficient of modulation of moment in the failure section for the bonded pre-stressed concrete frame under horizontal load and vertical load is larger and the ultimate vertical load may be less than that of the same frame applying vertical load.
     有粘结预应力混凝土框架既承受水平荷载又承受竖向荷载时,在破坏端的总弯矩调幅系数比相同结构只承受竖向荷载的总弯矩调幅系数要大,竖向承载力则可能减小。
短句来源
  prestressed concrete frame structure
     Application of Partial Prestressed Concrete Frame structure
     部分预应力混凝土框架结构应用探讨
短句来源
     Economic Analysis and Contrast between a Partial Prestressed Concrete Frame Structure and Steel Concrete Frame Structure of an Office Building of RuGao
     如皋市某办公楼部分预应力混凝土框架结构与钢筋混凝土框架结构经济分析与对比
短句来源
     ADAPTABILITY ANALYSIS FOR THE STRUCTURES WITH THE COMMON CONSTRUCTION ORDER USING CASTING-IN-PLACE PRESTRESSED CONCRETE FRAME STRUCTURE
     现浇预应力混凝土框架结构常用施工顺序对结构的适应性分析
短句来源
     Influence of Lateral Restraints on the Compressive Force of Prestressed Concrete Frame Structure
     侧向约束对预应力混凝土框架压力的影响
短句来源
     Test analysis of prestressed concrete frame structure
     预应力混凝土框架结构的张拉实测分析
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  prestressed concrete frame
An experimental study on the hysteretic characteristics of prestressed concrete frame beams under different loading histories was performed to explore the influence of load history on energy dissipation and failure characteristics of the member.
      
  prestressed concrete frames
Results from small scale models of prestressed concrete frames, tested by a shake table simulating earthquake forces are presented.
      
  其他


Bonded and unbonded prestressed concrete frames are tested and analysed up to failure. Results show that the specimens can form plastic hinges. The amount of energy dissipation of the bonded frame is larger than that of unbonded ones.Nevertheless, the residue displacement of the latter is smaller than that of theformer. After completion of the test, the prestress loss of unbonded frames isnegligible, whereas the prestress loss of the bonded frame can be as great as 70%in plastic hinge zones. The computation...

Bonded and unbonded prestressed concrete frames are tested and analysed up to failure. Results show that the specimens can form plastic hinges. The amount of energy dissipation of the bonded frame is larger than that of unbonded ones.Nevertheless, the residue displacement of the latter is smaller than that of theformer. After completion of the test, the prestress loss of unbonded frames isnegligible, whereas the prestress loss of the bonded frame can be as great as 70%in plastic hinge zones. The computation method proposed herein is capable of fullrange hysteresis analysis of PC and RC frames, including descending part.

本文进行了有粘结和无粘结预应力混凝土框架的反复荷载试验。结果表明,试件能够形成塑性铰;有粘结框架的耗能量大于无粘结框架,但无粘结框架的残余变形比有粘结框架小:试验后无粘结框架的预应力损失可略去不计,而有粘结框架在塑性铰处的预应力损失则达70%。本文提出的算法实现了预应力框架包括下降段在内的有限元全过程滞回分析,同时也可适用于非预应力框架。

In this Paper,multistoryed buildings of brick and RC floor slab construction are put up on frame beam of 12. 6 m partially prestressed concrete.A test and analysis is carried out on site.It provides a new scheme for multisto-reyed and highrise buildings with beam of transitive force and transfer floor.

本文通过在跨度12. 6m 的部分预应力混凝土框架上,设置多层砖混结构,进行实测和分析,为多高层的传力梁及转移层提供一种新的方案。

The deformations of concrete are related to not only the loading time interval (t-τ) but also the age of concrete while loading, the relation between strain and stress takes a complex integral form. Because of the complexity of the constitutive relations, the problem of R.C. or P.C. structures can not be solved satisfactorily in a special case, the author has given the constitutive relation in the form of Laplace transformation, and presented the solving method, respect to the general constitutive relation of...

The deformations of concrete are related to not only the loading time interval (t-τ) but also the age of concrete while loading, the relation between strain and stress takes a complex integral form. Because of the complexity of the constitutive relations, the problem of R.C. or P.C. structures can not be solved satisfactorily in a special case, the author has given the constitutive relation in the form of Laplace transformation, and presented the solving method, respect to the general constitutive relation of elasticity-creeps used in current international literatures, the author gives the algebraic (linear or nonlinear) strain-stress relations while strain and stress tend to constants when t→∞, and the linear relation while strain and stress are periodic functions when t→∞. For simplicity, only one dimensional case is considered, it is easyto extend to the three dimensional case by[2]. When the constitutive reintions are given, the structural problems of frames, plates and shells can be calculaed by [1]and[2].

混凝土的变形不仅和加荷后的时间(t-τ)有关,而且和加荷时刻混凝土的龄期有关,应变和应力之间成复杂的积分式关系。由于本构关系的复杂性,对钢筋混凝土或预应力混凝土超静定结构未能圆满求解。在特定情况作者曾给出本构关系的Laplace变换形式并提供求解方法。本文就当前国际上所给出的弹性-徐变的普遍形式给出t→∞时应变、应力之间的代数关系(线性或非线性),以及在周期荷载下,例如长期温度变化,应变、应力的线性关系。为简单计,本文仅考虑一维的应变、应力问题,不难按照文[2]推广到三维情况。当本构关系确定后可按文献[1]、[2]方法求解预应力混凝土的框架和板、壳问题。

 
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